sql parser support oceanbase hints

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlShowTest_3.java

@@ -30,14 +30,14 @@ public class MySqlShowTest_3 extends MysqlTest {
         String sql = "SHOW FULL COLUMNS FROM `sonar`.`action_plans`";
 
         MySqlStatementParser parser = new MySqlStatementParser(sql);
-        List<SQLStatement> statementList = parser.parseStatementList();
-        SQLStatement statemen = statementList.get(0);
-        print(statementList);
+        List<SQLStatement> stmtList = parser.parseStatementList();
+        SQLStatement stmt = stmtList.get(0);
+        print(stmtList);
 
-        Assert.assertEquals(1, statementList.size());
+        Assert.assertEquals(1, stmtList.size());
 
         MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
-        statemen.accept(visitor);
+        stmt.accept(visitor);
 
         System.out.println("Tables : " + visitor.getTables());
         System.out.println("fields : " + visitor.getColumns());

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlShowTest_4.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 1999-2101 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+
+public class MySqlShowTest_4 extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "SHOW CREATE TABLE tblname";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> stmtList = parser.parseStatementList();
+        SQLStatement stmt = stmtList.get(0);
+        
+        String result = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("SHOW CREATE TABLE tblname", result);
+        print(stmtList);
+
+        Assert.assertEquals(1, stmtList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(0, visitor.getTables().size());
+        Assert.assertEquals(0, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+
+//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t_basic_store")));
+
+    }
+}

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlShowTest_5.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 1999-2101 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+
+public class MySqlShowTest_5 extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "SHOW COUNT(*) WARNINGS";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> stmtList = parser.parseStatementList();
+        SQLStatement stmt = stmtList.get(0);
+        
+        String result = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("SHOW COUNT(*) WARNINGS", result);
+        print(stmtList);
+
+        Assert.assertEquals(1, stmtList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(0, visitor.getTables().size());
+        Assert.assertEquals(0, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+
+//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t_basic_store")));
+
+    }
+}

src/test/java/com/alibaba/druid/bvt/sql/mysql/MySqlShowTest_6.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 1999-2101 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+
+public class MySqlShowTest_6 extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "SHOW INDEX FROM tblname";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> stmtList = parser.parseStatementList();
+        SQLStatement stmt = stmtList.get(0);
+        
+        String result = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("SHOW INDEX FROM tblname", result);
+        print(stmtList);
+
+        Assert.assertEquals(1, stmtList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(0, visitor.getTables().size());
+        Assert.assertEquals(0, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+
+//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t_basic_store")));
+
+    }
+}

src/test/java/com/alibaba/druid/bvt/sql/mysql/OceanbaseHintTest_Index.java

@@ -0,0 +1,60 @@
+/*
+ * Copyright 1999-2101 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+
+public class OceanbaseHintTest_Index extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "SELECT /*+ INDEX(t1 i1) , INDEX(t2 i2)*/ * from t1, t2 WHERE t1.c1=t2.c1;";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> stmtList = parser.parseStatementList();
+        SQLStatement stmt = stmtList.get(0);
+        
+        String result = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("SELECT /*+ INDEX(t1 i1) , INDEX(t2 i2)*/ *"
+                + "\nFROM t1, t2"
+                + "\nWHERE t1.c1 = t2.c1", result);
+        print(stmtList);
+
+        Assert.assertEquals(1, stmtList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(2, visitor.getTables().size());
+        Assert.assertEquals(2, visitor.getColumns().size());
+        Assert.assertEquals(2, visitor.getConditions().size());
+
+//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t_basic_store")));
+
+    }
+}

src/test/java/com/alibaba/druid/bvt/sql/mysql/OceanbaseHintTest_Index2.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 1999-2101 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+
+public class OceanbaseHintTest_Index2 extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "delete /*+ INDEX(t1 i1) */ from t1 where t1.c1=1;";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> stmtList = parser.parseStatementList();
+        SQLStatement stmt = stmtList.get(0);
+        
+        String result = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("DELETE /*+ INDEX(t1 i1) */ FROM t1"
+                + "\nWHERE t1.c1 = 1", result);
+        print(stmtList);
+
+        Assert.assertEquals(1, stmtList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(1, visitor.getTables().size());
+        Assert.assertEquals(1, visitor.getColumns().size());
+        Assert.assertEquals(1, visitor.getConditions().size());
+
+//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t_basic_store")));
+
+    }
+}

src/test/java/com/alibaba/druid/bvt/sql/mysql/OceanbaseHintTest_Topk.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 1999-2101 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+
+public class OceanbaseHintTest_Topk extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "select /*+ topk(90 1000) */ sum(c2), c1 from t1 group by c1 order by sum(c2) limit 10 ";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> stmtList = parser.parseStatementList();
+        SQLStatement stmt = stmtList.get(0);
+        
+        String result = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("SELECT /*+ topk(90 1000) */ SUM(c2), c1"
+                + "\nFROM t1"
+                + "\nGROUP BY c1"
+                + "\nORDER BY SUM(c2)"
+                + "\nLIMIT 10", result);
+        print(stmtList);
+
+        Assert.assertEquals(1, stmtList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(1, visitor.getTables().size());
+        Assert.assertEquals(2, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+
+//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t_basic_store")));
+
+    }
+}

src/test/java/com/alibaba/druid/bvt/sql/mysql/OceanbaseHintTest_parallel.java

@@ -0,0 +1,59 @@
+/*
+ * Copyright 1999-2101 Alibaba Group Holding Ltd.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.alibaba.druid.bvt.sql.mysql;
+
+import java.util.List;
+
+import org.junit.Assert;
+
+import com.alibaba.druid.sql.MysqlTest;
+import com.alibaba.druid.sql.SQLUtils;
+import com.alibaba.druid.sql.ast.SQLStatement;
+import com.alibaba.druid.sql.dialect.mysql.parser.MySqlStatementParser;
+import com.alibaba.druid.sql.dialect.mysql.visitor.MySqlSchemaStatVisitor;
+
+public class OceanbaseHintTest_parallel extends MysqlTest {
+
+    public void test_0() throws Exception {
+        String sql = "select /*+ parallel(5) */ count(*) from t1;";
+
+        MySqlStatementParser parser = new MySqlStatementParser(sql);
+        List<SQLStatement> stmtList = parser.parseStatementList();
+        SQLStatement stmt = stmtList.get(0);
+        
+        String result = SQLUtils.toMySqlString(stmt);
+        Assert.assertEquals("SELECT /*+ parallel(5) */ COUNT(*)"
+                + "\nFROM t1", result);
+        print(stmtList);
+
+        Assert.assertEquals(1, stmtList.size());
+
+        MySqlSchemaStatVisitor visitor = new MySqlSchemaStatVisitor();
+        stmt.accept(visitor);
+
+        System.out.println("Tables : " + visitor.getTables());
+        System.out.println("fields : " + visitor.getColumns());
+        System.out.println("coditions : " + visitor.getConditions());
+        System.out.println("orderBy : " + visitor.getOrderByColumns());
+
+        Assert.assertEquals(1, visitor.getTables().size());
+        Assert.assertEquals(1, visitor.getColumns().size());
+        Assert.assertEquals(0, visitor.getConditions().size());
+
+//        Assert.assertTrue(visitor.getTables().containsKey(new TableStat.Name("t_basic_store")));
+
+    }
+}